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Finding the Fourth Proportional to 66,254.28, 99,452.16 and 26,837.16

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Solution

The fourth proportional to 66,254.28, 99,452.16 and 26,837.16 is: 40,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,254.28 : 99,452.16 = 26,837.16 : x
  2. Step 2: Convert to fraction form
    66,254.28/99,452.16 = 26,837.16/x
  3. Step 3: Cross multiply
    66,254.28x = 99,452.16 × 26,837.16
  4. Step 4: Simplify right side
    66,254.28x = 2,669,013,530.27
  5. Step 5: Solve for x
    x = 2,669,013,530.27/66,254.28
  6. Step 6: Final answer
    x = 40,284.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.